Finding Earth 2.0
HATS-31

HATS-31 b

Rank #5532 of the ranked catalogue · Discovered by Transit in 2016

HZ 0%measured

0.055

Earth-2.0 index

0.052

Earth Similarity Index

0%

Habitable-zone probability

18.38 R⊕

Radius

Planet

Mass279.690 M⊕measured
Bulk density0.243 g/cm³
Orbital period3.3780 days
Semi-major axis0.04780 au
Eccentricity0.233
Incident flux1619.406 S⊕
Equilibrium temperature1612.5 K
Transit-time σ at 203028.4 minLinear propagation of published epoch and period errors; not a ranking input.
Maximum angular separation0.06 masReflected-light contrast 2.57e-5 at Aᵍ = 0.30 and Lambertian quadrature.
Composite parameter sources3 · mixedThe archive may select different publications for different parameters; mixed-source is disclosed, not automatically penalised.
Default-solution coverage92%0% median composite-to-default difference over shared parameters.

Host star & system

HostHATS-31
Spectral typeF
Effective temperature6050 K
Radius1.870 R☉
Mass1.275 M☉
Distance774.0 pc / 2524.4 ly
DiscoveryTransit, 2016